497  
WWUS73 KGRR 100707  
NPWGRR  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
307 AM EDT WED JUN 10 2026  
 
MIZ037-038-043-044-050-056-101500-  
/O.NEW.KGRR.FG.Y.0006.260610T0707Z-260610T1500Z/  
MASON-LAKE-OCEANA-NEWAYGO-MUSKEGON-OTTAWA-  
INCLUDING THE CITIES OF BALDWIN, LUDINGTON, JENISON, MUSKEGON,  
HART, FREMONT, AND GRAND HAVEN  
307 AM EDT WED JUN 10 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING  
 
* WHAT...VISIBILITY ONE QUARTER MILE OR LESS IN DENSE FOG.  
 
* WHERE...OTTAWA, LAKE, MASON, MUSKEGON, NEWAYGO, AND OCEANA  
COUNTIES.  
 
* WHEN...UNTIL 11 AM EDT THIS MORNING.  
 
* IMPACTS...LOW VISIBILITY COULD MAKE DRIVING CONDITIONS HAZARDOUS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF DRIVING, SLOW DOWN, USE YOUR HEADLIGHTS, AND LEAVE PLENTY OF  
DISTANCE AHEAD OF YOU.  
 
 
 
 
 
MIZ071>074-101515-  
/O.CON.KGRR.HT.Y.0001.260610T1600Z-260611T0000Z/  
VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-  
INCLUDING THE CITIES OF KALAMAZOO, JACKSON, BATTLE CREEK, AND  
SOUTH HAVEN  
307 AM EDT WED JUN 10 2026  
 
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS  
EVENING...  
 
* WHAT...HEAT INDEX VALUES UP TO 100 EXPECTED.  
 
* WHERE...CALHOUN, JACKSON, KALAMAZOO, AND VAN BUREN COUNTIES.  
 
* WHEN...FROM NOON TODAY TO 8 PM EDT THIS EVENING.  
 
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT  
ILLNESSES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 
 
 
 
 
DUKE  
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